CN215110571U

CN215110571U - Dish board device of ears formula butterfly valve

Info

Publication number: CN215110571U
Application number: CN202121718090.XU
Authority: CN
Inventors: 佟泽
Original assignee: Tianjin Tanggu Tianshun Valve Industrial Co ltd
Current assignee: Tianjin Tanggu Tianshun Valve Industrial Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-10
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a dish board device of ears formula butterfly valve relates to dish board technical field, specifically is a dish board device of ears formula butterfly valve, including the dish board, the fixed slot has been seted up to the surface of dish board, install the elastic seal circle in the fixed slot that the dish board surface was seted up, the dish board openly has sealed piece with the upper and lower both sides fixed mounting at the back, the fixed orifices has been seted up at the middle part of sealed piece, the fixed cup joints the valve rod in the fixed orifices that sealed piece middle part was seted up, the disk seat has been cup jointed in the surface activity of dish board, the valve body is installed down to the downside of disk seat surface, the last surface mounting of disk seat has last valve body. This application can take place elastic deformation when the dish board rotates through elastic seal circle, can increase the frictional force between elastic seal circle and the disk seat when guaranteeing the leakproofness between dish board and the disk seat, great improvement elastic seal circle and the leakproofness of disk seat.

Description

Dish board device of ears formula butterfly valve

Technical Field

The application relates to the technical field of disc plate devices, in particular to a disc plate device of a double-lug butterfly valve.

Background

The valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly plays a role in cutting off and throttling on a pipeline. In the prior art, the disc plate has some disadvantages, such as that the contact between the disc plate and the inner side of the valve body is not tight enough, the sealing performance between the outer side of the disc plate and the inner side of the valve body is not good enough, and liquid can pass through the gap between the outer side of the disc plate and the inner side of the valve body, so that the problem caused by the fact that the disc plate can not completely bear the pressure brought by the liquid, the thrust of the disc plate is smaller, and due to the sealing performance, the appearance of the valve body is connected through bolts, the appearance is affected, and therefore the disc plate device of the double-lug butterfly valve is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a butterfly plate device of a double-lug butterfly valve to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a disc plate device of a double-lug butterfly valve comprises a disc plate, wherein a fixing groove is formed in the outer surface of the disc plate, an elastic sealing ring is installed in the fixing groove formed in the outer surface of the disc plate, sealing blocks are fixedly installed on the upper side and the lower side of the front surface and the back surface of the disc plate, a fixing hole is formed in the middle of each sealing block, a valve rod is fixedly sleeved in the fixing hole formed in the middle of each sealing block, a valve seat is movably sleeved on the outer surface of the disc plate, a lower valve body is installed on the lower side of the outer surface of the valve seat, an upper valve body is installed on the upper surface of the valve seat, a fastening threaded hole is formed in the joint of the lower valve body and the upper valve body, a fastening bolt is in threaded connection with the fastening threaded hole formed in the joint of the lower valve body and the upper valve body, a gland is fixedly connected to the top of the elastic sealing ring, a connecting hole is formed in the gland, and a connecting bolt is in threaded connection with the connecting hole formed in the gland, and the upper side and the lower side of the outer surface of the connecting bolt are in threaded connection with nuts.

Optionally, a fixing groove is formed in the upper side of the elastic sealing ring, a rotating shaft is fixedly sleeved in the fixing groove formed in the upper side of the elastic sealing ring, the fixing groove is formed in the outer surface of the rotating shaft, and an outer sealing ring is installed in the fixing groove formed in the outer surface of the rotating shaft.

Optionally, the elastic sealing ring is made of an elastic material, and the elastic sealing ring is tightly connected between the valve seats.

Optionally, the sealing block is semi-cylindrical in shape, and the diameter of the sealing block is larger than that of the valve rod.

Optionally, the bottom of the valve rod is fixedly connected with a limiting block, the diameter of the limiting block fixedly connected with the bottom of the valve rod is larger than that of the valve rod, a movable groove matched with the limiting block is formed in the bottom of the elastic sealing ring, and the limiting block is movably sleeved in the movable groove formed in the lower valve body.

Optionally, the bottom of the fastening bolt is provided with a hexagonal groove, the lower valve body is provided with a shielding groove, and the fastening bolt and the lower valve body are provided with the shielding groove.

The application provides a pair of dish board device of ears formula butterfly valve possesses following beneficial effect:

1. this application can take place elastic deformation when the dish board rotates through elastic seal circle, can increase the frictional force between elastic seal circle and the disk seat when guaranteeing the leakproofness between dish board and the disk seat, great improvement elastic seal circle and the leakproofness of disk seat.

2. This application can block the movable hole of valve rod and disk seat junction through sealed piece, avoids during water gets into the disk seat, then in the inner chamber of infiltration elastic seal circle, causes the problem of corruption to the valve rod, so can increase the life of valve rod, prevents simultaneously that the impurity of aquatic from getting into the movable hole on the disk seat in, the influence valve rod takes place to rotate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 shows a perspective view of the present application;

FIG. 2 shows a schematic of a three-dimensional explosive structure at a valve seat of the present application;

FIG. 3 shows a schematic diagram of a three-dimensional explosion structure at the elastic sealing ring of the present application;

FIG. 4 shows a schematic perspective view of the fastening bolt of the present application;

fig. 5 shows a schematic diagram of a three-dimensional explosion structure at the elastic sealing ring of the present application.

In the figure: 1. a plate; 2. an elastic sealing ring; 3. a sealing block; 4. a valve stem; 5. a valve seat; 6. a lower valve body; 7. an upper valve body; 8. tightening the bolts; 9. a gland; 10. a connecting bolt; 11. a nut; 12. a rotating shaft; 13. and an outer seal ring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 5, the present invention provides a technical solution: a disc plate device of a double-lug butterfly valve comprises a disc plate 1, wherein the outer surface of the disc plate 1 is provided with a fixed groove, an elastic sealing ring 2 is arranged in the fixed groove arranged on the outer surface of the disc plate 1, the upper side and the lower side of the front surface and the back surface of the disc plate 1 are fixedly provided with sealing blocks 3, the middle part of each sealing block 3 is provided with a fixed hole, a valve rod 4 is fixedly sleeved in the fixed hole arranged in the middle part of each sealing block 3, the outer surface of the disc plate 1 is movably sleeved with a valve seat 5, the lower side of the outer surface of the valve seat 5 is provided with a lower valve body 6, a limiting groove matched with the valve seat 5 is formed in the inner cavity of each lower valve body 6 and the inner cavity of each upper valve body 7, the valve seat 5 can be limited and fixed, the problem that the valve seat 5 is driven to rotate by friction force generated between the elastic sealing ring 2 and the valve seat 5 is solved, the upper surface of the valve body 7 is arranged on the valve seat 5, and a fastening threaded hole is arranged at the joint of the lower valve body 6 and the upper valve body 7, threaded connection has the tighting bolt 8 in the tighting screw hole that lower valve body 6 and last valve body 7 junction were seted up, 2 top fixedly connected with gland 9 of elastic seal circle, the fixed slot of seting up on elastic seal circle 2 can be blockked through gland 9, avoid outer seal circle 13 to expose in the air, can the effectual life who improves outer seal circle 13, the connecting hole has been seted up on gland 9, threaded connection has connecting bolt 10 in the connecting hole of seting up on gland 9, the upper and lower both sides threaded connection of connecting bolt 10 surface has nut 11, can be connected dish board 1 inseparabler through connecting bolt 10 and nut 11, make things convenient for the device to carry out the dismouting, increase staff's dismouting efficiency.

Wherein, the fixed slot has been seted up to the upside of elastic seal circle 2, fixed cover in the fixed slot that the 2 upsides of elastic seal circle were seted up has been connect pivot 12, the fixed slot has been seted up to the surface of pivot 12, install outer seal ring 13 in the fixed slot that the surface of pivot 12 was seted up, utilize outer seal ring 13 can prevent that rivers are unexpected from getting into elastic seal circle 2's inner chamber from the movable hole department that valve rod 4 and disk seat 5 are connected, then toward gland 9 department permeate, utilize outer seal ring 13 can keep off water in elastic seal circle 2's inner chamber, can effectually prevent that water from taking place more serious infiltration.

Wherein, elastic seal ring 2 is made by elastic material, and elastic seal ring 2 is zonulae occludens between disk seat 5, can increase the frictional force between elastic seal ring 2 and the disk seat 5, prevents that the problem that water flows out from the joint gap of disk seat 5 and elastic seal ring 2 from appearing.

The sealing block 3 is semi-cylindrical, the diameter of the sealing block 3 is larger than that of the valve rod 4, a movable hole at the joint of the valve rod 4 and the valve seat 5 can be blocked, water is prevented from entering the inner cavity of the elastic sealing ring 2, impurities are brought into the inner cavity of the elastic sealing ring 2, the valve rod 4 is influenced to rotate, and the sealing performance of the device is reduced.

Wherein, the bottom fixedly connected with stopper of valve rod 4, the diameter of the stopper of valve rod 4 bottom fixed connection is greater than the diameter of valve rod 4 self, and the movable groove with stopper looks adaptation is seted up to the bottom of elastic seal circle 2, and the stopper activity cup joints in the movable groove of seting up on lower valve body 6, can carry on spacingly to valve rod 4 for valve rod 4 more smooth and easy taking place to rotate, can increase the device's wholeness and tightness simultaneously.

Wherein, the bottom of the tightfitting bolt 8 is provided with a hexagonal groove, the lower valve body 6 is provided with a shielding groove, the tightfitting bolt 8 is arranged in the lower valve body 6, the tightfitting bolt 8 is prevented from being exposed outside, the appearance of the device is influenced, the hexagonal groove is arranged on the tightfitting bolt 8, the working personnel can conveniently disassemble and assemble the tightfitting bolt 8, and the tightfitting bolt 8 is convenient to be arranged in the lower valve body 6.

To sum up, the utility model provides a pair of butterfly plate device of ears formula butterfly valve, when using, at first the staff need install disk plate 1 with disk seat 5 on, then will lower valve body 6 and last valve body 7 install the surface at disk seat 5, utilize the tighting bolt 8 to be in the same place lower valve body 6 and last valve body 7 threaded connection after that, it needs to notice, make seal block 3 block the activity hole of valve rod 4 and disk seat 5 junction, then install outer seal ring 13 on pivot 12, install outer seal ring 13 on elastic seal ring 2, utilize gland 9 to carry on spacingly, after the installation is accomplished, guarantee that elastic seal ring 2 and disk seat 5 zonulae occludens can.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a dish board device of ears formula butterfly valve, includes dish board (1), its characterized in that: the outer surface of the disc plate (1) is provided with a fixing groove, an elastic sealing ring (2) is installed in the fixing groove formed in the outer surface of the disc plate (1), sealing blocks (3) are fixedly installed on the upper side and the lower side of the front surface and the back surface of the disc plate (1), a fixing hole is formed in the middle of each sealing block (3), a valve rod (4) is fixedly sleeved in the fixing hole formed in the middle of each sealing block (3), a valve seat (5) is movably sleeved on the outer surface of the disc plate (1), a lower valve body (6) is installed on the lower side of the outer surface of the valve seat (5), an upper valve body (7) is installed on the upper surface of the valve seat (5), a fastening threaded hole is formed in the joint of the lower valve body (6) and the upper valve body (7), a fastening bolt (8) is connected with a threaded hole formed in the joint of the lower valve body (6) and the upper valve body (7), a gland (9) is fixedly connected to the top of the elastic sealing ring (2), the gland is characterized in that the gland (9) is provided with a connecting hole, the connecting hole formed in the gland (9) is connected with a connecting bolt (10) in a threaded manner, and the upper side and the lower side of the outer surface of the connecting bolt (10) are connected with nuts (11) in a threaded manner.

2. The butterfly device of a binaural butterfly valve according to claim 1, characterized in that: the fixed slot has been seted up to the upside of elastic seal circle (2), fixed cover in the fixed slot that elastic seal circle (2) upside was seted up has connect pivot (12), the fixed slot has been seted up to the surface of pivot (12), install outer seal circle (13) in the fixed slot that pivot (12) surface was seted up.

3. The butterfly device of a binaural butterfly valve according to claim 1, characterized in that: the elastic sealing ring (2) is made of elastic materials, and the elastic sealing ring (2) is tightly connected between the valve seats (5).

4. The butterfly device of a binaural butterfly valve according to claim 1, characterized in that: the sealing block (3) is semi-cylindrical in shape, and the diameter of the sealing block (3) is larger than that of the valve rod (4).

5. The butterfly device of a binaural butterfly valve according to claim 1, characterized in that: the bottom fixedly connected with stopper of valve rod (4), the diameter of the stopper of valve rod (4) bottom fixedly connected is greater than the diameter of valve rod (4) self, the activity groove with stopper looks adaptation is seted up to the bottom of elastic seal circle (2), the stopper activity cup joints in the activity groove of seting up on lower valve body (6).

6. The butterfly device of a binaural butterfly valve according to claim 1, characterized in that: the bottom of the fastening bolt (8) is provided with a hexagonal groove, the lower valve body (6) is provided with a shielding groove, and the fastening bolt (8) and the lower valve body (6) are arranged inside the shielding groove.